大约有 48,000 项符合查询结果(耗时:0.0748秒) [XML]

https://stackoverflow.com/ques... 

Rails 4 image-path, image-url and asset-url no longer work in SCSS files

Are we supposed to use something else aside from image-url and others in Rails 4? They return different values that don't seem to make sense. If I have logo.png in /app/assets/images/logo.png and I do the following, this is what I get: ...
https://stackoverflow.com/ques... 

There can be only one auto column

... MySQL says "Incorrect table definition; there can be only one auto column and it must be defined as a key" So when I added primary key as below it started working: CREATE TABLE book ( id INT AUTO_INCREMENT NOT NULL, accepted_terms BIT(1) NOT NULL, accepted_privacy BIT(1) NOT NULL, prim...
https://stackoverflow.com/ques... 

Python: using a recursive algorithm as a generator

...pens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences. ...
https://stackoverflow.com/ques... 

Sort array by firstname (alphabetically) in Javascript

... Suppose you have an array users. You may use users.sort and pass a function that takes two arguments and compare them (comparator) It should return something negative if first argument is less than second (should be placed before the second in resulting array) something positi...
https://stackoverflow.com/ques... 

Are HTTP headers case-sensitive?

...aders": Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive. The updating RFC 7230 does not list any changes from RFC 2616 at this part. share ...
https://stackoverflow.com/ques... 

How can I make pandas dataframe column headers all lowercase?

I want to make all column headers in my pandas data frame lower case 5 Answers 5 ...
https://stackoverflow.com/ques... 

Declaration of Methods should be Compatible with Parent Methods in PHP

...important as well. For example, parentClass::customMethod($thing = false) and childClass::customMethod($thing) would trigger the error, because the child's method hasn't defined a default value for the first argument. – Charles Jun 25 '10 at 4:19 ...
https://stackoverflow.com/ques... 

Is it possible to do start iterating from an element other than the first using foreach?

...kips however many you specify starting at the current index. On the other hand, if you wanted to use only the first three you would use .Take: foreach (string curString in myCollection.Take(3)) These can even be paired together, so if you only wanted the 4-6 items you could do: foreach (string c...
https://stackoverflow.com/ques... 

Why array implements IList?

... Because an array allows fast access by index, and IList/IList<T> is are the only collection interfaces that support this. So perhaps your real question is "Why is there no interface for constant collections with indexers?" And to that I have no answer. There are n...
https://stackoverflow.com/ques... 

Reload content in modal (twitter bootstrap)

... I am having the same problem, and I guess the way of doing this will be to remove the data-toggle attribute and have a custom handler for the links. Something in the lines of: $("a[data-target=#myModal]").click(function(ev) { ev.preventDefault(); ...